"""
配置模块测试
"""

import pytest
import os
from unittest.mock import patch
from src.config.settings import Settings


class TestSettings:
    """测试配置类"""
    
    def test_default_settings(self):
        """测试默认配置"""
        settings = Settings()
        
        assert settings.app_name == "AI_Architecture"
        assert settings.app_version == "1.0.0"
        assert settings.debug is False
        assert settings.log_level == "INFO"
        assert settings.cache_enabled is True
        assert settings.max_tokens == 4000
        assert settings.temperature == 0.7
    
    def test_environment_variables(self):
        """测试环境变量配置"""
        with patch.dict(os.environ, {
            "OPENAI_API_KEY": "test_key",
            "LOG_LEVEL": "DEBUG",
            "CACHE_ENABLED": "false"
        }):
            settings = Settings()
            
            assert settings.openai_api_key == "test_key"
            assert settings.log_level == "DEBUG"
            assert settings.cache_enabled is False
    
    def test_validation(self):
        """测试配置验证"""
        settings = Settings()
        
        # 测试数值类型
        assert isinstance(settings.max_tokens, int)
        assert isinstance(settings.temperature, float)
        assert isinstance(settings.cache_ttl, int)
        
        # 测试布尔类型
        assert isinstance(settings.debug, bool)
        assert isinstance(settings.cache_enabled, bool)